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Author SHA1 Message Date
b45a243e59 Browse Emby playlists and launch one as a pre-queued party
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Queued right after the ffmpeg burn-in work, asked for directly: see
what's inside a playlist, and launch it - pre-queued with the whole
thing, the same "one click, the rest queues itself" shape starting from
an episode already gets for its series.

- server/src/services/CatalogService.ts: VISIBLE_COLLECTION_TYPES gains
  'playlists' - Emby's /Views already returns that CollectionType once
  the user has any, so it appears in the sidebar through the exact same
  code every other library already uses, nothing else needed there. New
  getPlaylistItemsRaw/getPlaylistItems (Emby's own /Playlists/{id}/Items,
  mirroring getSeriesEpisodes/getAlbumTracks). New exported
  splitPlaylistByMediaType: a playlist can mix movies/episodes and songs,
  this app's party model can't - decides video vs music from the first
  item's type and drops anything that doesn't match (logged when it
  does) - pure, unit-tested on its own.
- server/src/index.ts: new GET /api/catalog/playlists/:playlistId/items
  route. POST /api/parties gains a sibling early branch for
  item.Type === 'Playlist' (a new createPartyFromPlaylist helper,
  deliberately NOT merged into the existing single-item path, which
  didn't need touching) - builds a video QueueItem[] exactly like the
  episode-queue path already does, or seeds MusicQueueService.init +
  addTrack per track for a music result, the same mechanism
  POST /api/parties/:id/tracks already uses.
- client/src/tiles.ts: one more DRILL_DOWN entry (Playlist -> its own
  page) - a playlist was never directly streamable, same as
  Series/MusicArtist/MusicAlbum before it.
- client/src/api/embyApi.ts: getPlaylistItems(). No new API for
  *launching* one - createParty(playlistId) already does everything,
  same as clicking any other item; the server decides what it means.
- client/src/views/playlist/Playlist.{ts,html,css} (new): a playlist's
  contents, read-only past the one "Lancer cette playlist" button -
  deliberately no per-item start/add the way album tracks or episode
  rows get (an Emby item carries no back-reference to "which playlist
  contains me" the way an Episode's SeriesId does, so "start from item
  N, queue the rest of the playlist" isn't cheaply reconstructable the
  same way - not asked for here anyway). The launch button branches on
  the created party's mediaType, same check Player.ts's own dispatcher
  already makes.
- client/src/app.ts: registers /playlist/:id.
- server/test/catalogService.test.ts: the new methods' target
  URL/mapping, plus splitPlaylistByMediaType's own tests (homogeneous
  video, homogeneous music, mixed, empty).
- docs/architecture.md, README.md: design + the scope decision (no
  per-item actions) spelled out.

Verified: full typecheck+test+build on both projects (62/62 server
tests). The new page driven through the same mocked-fetch + real-bundle
harness used throughout this session, in a real browser: header/meta/
item list render correctly from mocked catalog data (including the
sidebar showing "Playlists" once a mocked library declares that
CollectionType), and clicking "Lancer cette playlist" reaches
POST /api/parties with the right id and correctly routes into the video
player for a video result. Actual playback past that point still needs
a real Emby server - same standing caveat as the rest of this app.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
2026-09-14 19:04:31 +02:00
26da8fc5dc Self-hosted ffmpeg pipeline for PGS (image) subtitle burn-in
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Asked for directly, right after the client-side <track> redesign closed
every *text* subtitle case: PGS/VobSub/DVB subtitles (Blu-ray/DVD rips)
are bitmaps, not text - there's nothing for Emby's Stream.vtt conversion
to extract, so a native <track> fundamentally can't render one. Rather
than keep asking Emby's own transcode to burn these in (the exact thing
that kept failing in earlier sessions - missing fontconfig, then an
unrelated "Error starting ffmpeg"), this runs ffmpeg ourselves: a PGS
stream decodes like a second video track, and ffmpeg's `overlay` filter
composites it directly - no text rendering, no libass, no fontconfig
anywhere in this path.

One shared stream per PARTY, not per viewer - explicitly asked for after
the initial plan: every member plugs into the exact same server-emitted
stream, mirroring "host drives, everyone follows" rather than a
per-viewer model. Picking a burn-in subtitle is therefore a host-only,
party-wide choice, like play/pause/next already are.

- server/src/services/TranscodeService.ts (new): one ffmpeg session per
  partyId. getOrStartSession negotiates PlaybackInfo (via the new
  CatalogService.getMediaSource), converts Emby's absolute
  MediaStreams[].Index into ffmpeg's type-relative 0:s:N/0🅰️N
  (absoluteToRelativeIndex - pure, unit-tested), and spawns ffmpeg
  against Emby's own direct/static file endpoint (TODO(verify) - no
  Emby server reachable from this dev environment, see the function's
  own comment). Output is real progressive HLS to a temp dir, served by
  two new routes that poll briefly for the next file. endSession/
  reapIdleSessions handle teardown; PartyService's destroy path and
  advanceQueue both end a party's session immediately, the idle sweep
  is the backstop.
- server/src/services/PartyService.ts: Party/PartyPublicState gain
  burnInSubtitleIndex/burnInAudioIndex (null together = no burn-in);
  advanceQueue clears them (a new item's indices mean nothing on the
  old one).
- server/src/realtime/SocketGateway.ts: new host-only "setBurnInSubtitle"
  handler broadcasting "burnInChanged" - same shape as "next"/
  "itemChanged".
- server/src/services/CatalogService.ts: new getMediaSource() (id/
  container/streams together - what TranscodeService needs); extended
  the local PlaybackInfoResponse type with Container.
- server/src/Logger.ts: new Logger.transcode().
- server/src/index.ts: GET /api/catalog/burn/:partyId/master.m3u8 and
  .../:segment (membership-checked, same pattern as the party REST
  routes); a dedicated idle-reap interval for TranscodeService.
- server/Dockerfile: `apk add ffmpeg` in the runtime stage - no font
  packages needed, unlike Emby's own text-subtitle burn-in.
- client/src/api/party.ts, client/src/api/embyApi.ts: setBurnInSubtitle/
  onBurnInChanged on PartyConnection, burnInStreamUrl().
- client/src/views/player/Player.{html,css,ts}: the subtitle picker's
  image-track options go from unconditionally disabled to host-only
  selectable, labeled to say picking one restarts the stream for
  everyone. Every member (host included) only ever reacts to the
  resulting "burnInChanged" broadcast - never applies a pick
  optimistically, same discipline the rest of the player already uses.
  Audio/quality are disabled while a burn-in is active (one fixed
  encode); a follower's subtitle select is disabled too (nothing left
  for them to meaningfully pick).
- server/test/transcodeService.test.ts (new): absoluteToRelativeIndex,
  session start/reuse/replace, endSession, reapIdleSessions -
  child_process.spawn mocked via a small explicit test seam
  (setSpawnForTesting), never invoking a real ffmpeg binary.
- server/test/socketGateway.test.ts, partyService.test.ts,
  catalogService.test.ts: host-only gating + broadcast for
  setBurnInSubtitle, advanceQueue's reset, toPublicState exposing the
  new fields, getMediaSource.
- docs/architecture.md, README.md: design + an explicit "assumptions to
  verify" note (the direct-source URL shape, first and foremost).

Verified: full typecheck+test+build on both projects (56/56 server
tests). No Emby server or ffmpeg binary is reachable from this dev
environment, so the actual command against a real PGS file is
unverified - flagged explicitly in the docs, same "TODO(verify)" spirit
already used elsewhere in this codebase for an Emby response shape that
can't be checked locally.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
2026-09-14 18:05:08 +02:00
daab755ce9 Device detection: confirm before disconnecting another device
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Asked for directly: "same account, same device already in the party"
should never need a confirmation, "same account, a genuinely different
device" should ask before disconnecting it instead of silently
overwriting. There was no concept of "device" at all before this -
party.members is keyed by userId only.

- client/src/deviceId.ts (new): a UUID kept in localStorage (not
  sessionStorage) - that's what makes "device" mean "browser", not
  "tab". Falls back to an in-memory id if storage is unavailable.
- server/src/types.ts, client/src/api/party.ts: "join" now carries
  {partyId, deviceId, force?} instead of just {partyId}; new
  PartyMember.deviceId and "deviceConflict" server->client event (sent
  only to the joining socket, never broadcast).
- server/src/realtime/SocketGateway.ts: the "join" handler now tells
  three cases apart - no existing connection or the same deviceId
  reconnecting (attach silently, booting any stale connection for that
  same device first), a different deviceId with no force (emit
  deviceConflict and stop - the socket stays connected but inert), or
  force:true (the confirmed takeover - boot the old connection, take
  the slot).
- server/src/services/PartyService.ts: join() is now idempotent -
  returns the existing member instead of always building a fresh one.
  This was itself a real bug independent of the guard below: the REST
  "Rejoindre" route calls this every time regardless of membership, so
  a re-click/reload/retry used to silently reset connection/isPaused/
  deviceId.
- server/src/realtime/SocketGateway.ts: "leave"/"disconnect" now also
  check party.members.get(userId)?.connection === socket before acting
  - generalizes the earlier stale-connection crash fix to the new
  reality where a member can have more than one connection attempt in
  flight (the superseded one's own eventual "disconnect" must not be
  read as a real leave).
- client/src/views/player/Player.ts, client/src/musicBar/MusicBar.ts:
  onDeviceConflict wired to a plain confirm() - yes calls the new
  PartyConnection.confirmDeviceTakeover() (re-sends "join" with
  force:true), no backs out (navigate home for video, leaveMusicParty
  for music).
- Deliberately does NOT change the home page's live party list itself
  (still just "Rejoindre" either way) - LobbyPartyDto is one snapshot
  shared by the whole "lobby" room with no per-viewer membership info,
  and giving it that is a real protocol change on its own. For video
  the conflict check above already is the meaningful moment (you can't
  be looking at the home page from inside your own party on the same
  tab - the player is a full-screen takeover), so this doesn't cost
  the feature much: Rejoindre reaches the check immediately, same
  device reconnects silently, a different device asks first. See
  docs/architecture.md for the fuller reasoning.
- server/test/socketGateway.test.ts, server/test/partyService.test.ts:
  new tests for the conflict/takeover/reconnect paths and join()'s
  idempotency; the earlier stale-connection crash regression test
  updated to reach the same shared-slot shape through a real device
  takeover instead of a raw PartyService.join() call (which no longer
  reproduces it now that join() is idempotent).

Verified: full typecheck+test+build on both projects (39/39 server
tests passing); confirmed the "leave"/"disconnect" guard is load-
bearing by temporarily reverting it and watching the new takeover test
fail, then restoring it; deviceId.ts's localStorage persistence
checked against the real compiled bundle in a real browser (survives
a reload, stable across calls).

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
2026-09-14 17:32:21 +02:00
c14d0bc08b Replace avatar-click with a request toolbar; add "request resume"
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Asked for directly: a visible bottom toolbar for non-host members
instead of clicking your own small avatar circle (never a very
discoverable affordance), and a second request alongside pause -
"please resume".

- server/src/types.ts, server/src/realtime/SocketGateway.ts: new
  requestResume/resumeRequested, byte-for-byte the same shape and
  handler pattern as requestPause/pauseRequested, independently
  throttled (its own lastResumeRequestUtc - not a shared budget with
  pause). Kept as a plain broadcast signal, same as pause always was -
  no accept/deny state tracked server-side, the host sees the same
  banner/avatar highlight as everyone else and acts with their own
  existing controls.
- client/src/api/party.ts, client/src/types.ts: requestResume() on
  PartyConnection, onResumeRequested callback, a ResumeRequestedMsg type
  (same shape as PauseRequestedMsg, kept separate so a callback's own
  signature says which request it's for).
- client/src/views/player/Player.{html,css,ts}: the avatar is presence-
  only now (no click handler, no "- demander une pause" title) - a new
  .bottomOverlay wraps the request banner, the follower notice, and a
  new .requestToolbar (Demander une pause / Demander une reprise) as one
  flex column, same "stack in normal flow instead of hand-picking a
  pixel offset per box" fix .topOverlay already needed. Pause and resume
  share one showRequestBanner() - they only ever differed by which word
  appears in the banner text. Renamed the shared CSS classes
  (avatarPauseRequested/avatarPauseBadge -> avatarActionRequested/
  avatarRequestBadge) since they're no longer pause-specific.
- server/test/socketGateway.test.ts: new case confirming requestResume's
  throttle is independent from requestPause's own.

Verified against the real compiled bundle: the toolbar shows for a
follower and stays hidden for the host; each button's own client-side
cooldown collapses a rapid double-click to one emission; a pushed
resumeRequested shows the banner with the right text and highlights the
right avatar.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
2026-09-14 17:09:01 +02:00
5be839d2f6 Music bar: refresh vote count on join/leave, progress bar; catalog search
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Four smaller fixes from real usage:

- MusicBar.ts: "votes needed" for skip depends on the connected-member
  count (renderMembers/"members") AND the vote tally (applyMusicState/
  "queueUpdated") - the label was only ever recomputed from the latter,
  so a plain join/leave with no vote left it stale. Cached the last
  MusicPublicState and factored the label math into its own
  updateVoteSkipLabel(), called from both handlers now.
- Home.ts: the listen party this tab is already in still showed
  "Rejoindre" on the home page. Checks each card's partyId against
  musicBar/MusicBar.ts's own getActiveMusicPartyId() (already tracked
  client-side) and swaps the button for an inert "En écoute" label on
  that one card. No equivalent case for video - its player is a
  full-screen takeover, so you can't be looking at this list from inside
  one.
- MusicBar.html/.css/.ts: a read-only progress bar (a thin strip along
  the bar's own top edge). Deliberately not seekable - no host to
  arbitrate a jump in this model, and MusicQueueService has no "seek"
  concept server-side today; that would be a real protocol addition, out
  of scope here. Fill width is just currentTime/duration, ticked by the
  same interval that already updates the position text.
- tiles.ts (new wireSearchFilter), views/library, views/artist,
  views/album: a search input per catalog page, filtering whatever's
  already rendered client-side (a library page tops out at a few hundred
  items - well within "just filter the DOM" territory, no server round
  trip per keystroke). Shared helper so the three pages behave
  identically. The existing /api/catalog/search endpoint (video types
  only, never wired into any UI) is a separate, unrelated feature - a
  global cross-library search - left as-is.

Verified against the real compiled bundle: a "members" push alone
updates the skip label; the home page's own party shows "En écoute" while
others still show "Rejoindre"; the progress fill tracks a simulated
currentTime correctly; typing into a library's search box filters tiles
live with the empty-state notice appearing only when nothing matches.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
2026-09-14 16:44:23 +02:00
137977893a Render subtitles client-side (<track>) instead of asking Emby to burn them in
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Six rounds of real-server debugging (see docs/architecture.md's player-
track-selection section) found three different, unrelated reasons a
server-side burn-in could fail - missing fonts, a bitmap format libass
fundamentally can't burn, ffmpeg failing outright on an otherwise
unremarkable file - none of which this app's own request ever caused or
could have fixed, all downstream of the one thing every attempt had in
common: asking Emby for a real-time video re-encode. Not needing that
re-encode at all closes the whole class of failure instead of chasing
each one.

- server/src/services/CatalogService.ts: new proxySubtitle asks Emby to
  convert the track to WebVTT (GET /Videos/{id}/{mediaSourceId}/
  Subtitles/{index}/Stream.vtt - a real Emby endpoint their own web
  client already uses for this) - entirely separate from the video
  transcode. applyPlaybackOverrides lost its SubtitleStreamIndex/
  SubtitleMethod=Encode branch - the video request no longer needs to
  know a subtitle was picked at all.
- server/src/types.ts, client/src/types.ts: PlaybackTrackOption's flag
  renamed supportsBurnIn -> isTextBased - same underlying fact (image vs
  text codec), but the name shouldn't keep describing a mechanism this
  app no longer uses.
- server/src/index.ts: new GET /api/catalog/subtitle/:itemId/:subtitleIndex
  route, grouped with the other cookie-authed media-element routes (a
  <track> can't send a bearer header either).
- client/src/api/embyApi.ts: new subtitleUrl(); streamUrl no longer
  carries SubtitleStreamIndex at all.
- client/src/views/player/Player.ts: the subtitle <select> no longer
  reloads the video (reloadWithCurrentOptions, still used for audio/
  quality, never touches subtitles now). New applySubtitleTrack()
  removes/re-adds a fresh <track> and sets video.textTracks[0].mode =
  'showing' synchronously right after appending - deliberately not
  waiting on the <track>'s own "load" event, confirmed against a real
  browser that it doesn't fire reliably at all (a known cross-browser
  quirk), which would have left a subtitle silently never shown - the
  exact symptom this whole saga started from. Re-applied on every video
  (re)load so an audio/quality change (which does still reload the
  video) doesn't drop whatever subtitle was showing.
- server/test/catalogService.test.ts: updated/new cases for
  proxySubtitle and the renamed isTextBased flag; removed the test for
  the now-deleted subtitle-forcing behavior.

Verified against the real compiled bundle: picking a text track adds one
<track> with the right URL and flips it to showing; "Aucun" removes it;
an image-coded track is listed but disabled; changing audio reloads the
video but the subtitle survives it, same element, still showing.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
2026-09-14 16:31:25 +02:00
2f670ec9a4 Flag image-based subtitle tracks (PGS/VobSub/DVB) as not burn-in-able
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Two different items both failed the same way when picking a subtitle -
without knowing whether the second one was also a PGS (image/bitmap)
track like the first confirmed one, that result was ambiguous: still the
same known issue, or something new? Rather than keep digging through
server logs per item, this app can just know the answer itself - Emby's
PlaybackInfo response already includes each subtitle stream's Codec.

- server/src/services/CatalogService.ts: getPlaybackOptions reads it and
  reports supportsBurnIn: false for image-based subtitle codecs
  (hdmv_pgs_subtitle/dvd_subtitle/dvb_subtitle - IMAGE_SUBTITLE_CODECS).
  This app forces SubtitleMethod=Encode whenever a subtitle is picked
  (applyPlaybackOverrides), asking ffmpeg's `subtitles` filter (libass)
  to burn it in - libass renders text via a font, it has no path for
  compositing a pre-rendered bitmap at all, confirmed against a real
  server (see docs/architecture.md's Round 4/5).
- server/src/types.ts, client/src/types.ts: PlaybackTrackOption gains
  supportsBurnIn (subtitle tracks only, undefined for audio).
- client/src/views/player/Player.ts: the subtitle <select> now disables
  these options with a "(image, non disponible)" label instead of
  letting anyone pick a track that's guaranteed to break playback -
  listed so it's clear why, not silently missing.
- server/test/catalogService.test.ts: new case covering subrip/ass
  (supportsBurnIn: true) vs hdmv_pgs_subtitle (false) from the same
  MediaStreams response.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
2026-09-14 14:45:38 +02:00
a5aca4a823 Fix home page's party "elapsed" label ignoring pauses
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Reported: the time shown for an ongoing party is the movie's elapsed
time. True, but only by coincidence - the label was actually just
Date.now() - party.createdUtc, which climbs at wall-clock speed
regardless of whether the movie is actually playing. Pause it for five
minutes and the home page keeps counting through the pause the player
itself has frozen.

- server/src/types.ts, client/src/types.ts: LobbyPartyDto gains
  positionTicks/isPaused/positionUpdatedUtc - the host's own tracked
  playback state (same values SocketGateway already maintains for their
  party's own room), null for music parties, where there's no single
  "elapsed" across a rotating queue of tracks.
- server/src/realtime/SocketGateway.ts: lobbySnapshot() fills these from
  the host's member record for video parties. Two new broadcastLobby()
  trigger points to keep it reasonably fresh: an actual pause/play
  transition (not every 3s heartbeat resend - same guard already used
  for that transition's log line) and advancing the queue (advanceQueue
  already reset every member's position for the new item; nothing had
  ever pushed that to the lobby before, so a card's title/poster/position
  could sit stale until an unrelated join/leave refreshed it).
- client/src/views/home/Home.ts: updateElapsedLabels() now computes a
  live, pause-aware position for a video party (frozen while paused,
  ticking from position+timestamp while playing) instead of always
  falling back to createdUtc - which is still exactly what a music party
  (or a party missing these fields) uses.
- server/test/socketGateway.test.ts: two new cases - the lobby snapshot's
  video-vs-music shape, and that a transition/next() refreshes it while
  an unchanged heartbeat resend doesn't.

Verified against the real bundled client with a faked "parties" push:
a paused party's label held still across a real wait; a playing one, and
a music party on the unchanged createdUtc path, both kept ticking up.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
2026-09-14 13:53:10 +02:00
fff0b7a984 Fix subtitle selection timing out: hls.js's default timeouts too tight
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Reported: selecting a subtitle track (only subtitles, not audio/quality)
made the request "time out". Confirmed from the browser's own error:
hls.js gave up with a fatal fragLoadTimeOut after 4 retries, each hitting
its default 10s fragment-load timeout - not a hang, and not a repeat of
the earlier "override doesn't reach Emby" bug (see docs/architecture.md's
Player-track-selection section) - the same error's frag.baseurl already
shows SubtitleMethod=Encode correctly present in the request Emby
received, so the override chain works end to end. It's just slow: burning
a subtitle in forces a real re-encode (not a rendition, not a remux),
which measurably takes Emby longer than 10s to produce a first segment
for.

Fixed by giving both players' Hls instances explicit longer timeouts
(manifestLoadingTimeOut/levelLoadingTimeOut: 30s, fragLoadingTimeOut: 60s)
instead of hls.js's untouched defaults - applied to musicBar/MusicBar.ts
too, not just the video player, since music tracks go through the same
PlaybackInfo/transcode pipeline and could hit the same latency for a
quality change even without subtitles being involved there today.

global.d.ts's HlsStatic constructor gained an optional HlsConfig
parameter (only the four properties actually used) so this doesn't need
an `as any`/unsafe cast to pass config through.

Verified the property names are real and actually honored by hls.js
1.5.17 (the exact pinned CDN build), not silently ignored: constructed a
real Hls instance with this config and read back hls.config.* - all four
values came back as set, not as hls.js's own (tighter) defaults.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
2026-09-14 13:11:06 +02:00
b2310216ce Fix settings menu visibility bug; make the music player a persistent bar
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Fix: player settings menu stuck permanently open
----------------------------------------------
.hide { display: none; } and Player.css's .settingsPanel { display: flex;
... } are both single-class selectors - equal specificity - so whichever
one esbuild happened to bundle later into app.css won the `display`
property on an element carrying both classes. Player.css's own
display:flex always landed after base.css's .hide, so #settingsPanel
showed regardless of the hide class ever being toggled - the toggle logic
itself was correct the whole time, it just had no visible effect.

Fixed at the utility class, not the one call site: `.hide` now uses
`display: none !important`, which wins a same-specificity tie regardless
of bundling order - closes off the whole bug class, since several other
components already set their own `display` for a visible state.

Feature: music player is now a persistent bottom bar, not a page
------------------------------------------------------------------
The music player was its own route (/party/:id -> views/musicPlayer/),
which meant navigating anywhere else - the sidebar, an album to queue up
more tracks - tore the whole thing down (router.ts calls a route's
cleanup, which used to call leaveParty, on every hash change). No way to
browse and listen at the same time.

- client/src/musicBar/MusicBar.ts (new): a Shell-level singleton, mounted
  once into a #musicBar element that's a sibling of #mainContent, never
  touched by route changes. Renders as a fixed bottom bar. Exposes
  initMusicBar/joinMusicParty/leaveMusicParty instead of the router's
  render()-returns-cleanup pattern, since it never registers as a route.
- views/player/Player.ts's dispatcher: a music party no longer renders a
  page - it calls joinMusicParty() and bounces back to /home (a no-op for
  every reachable call site except album's). A video party now calls
  leaveMusicParty() first (harmless no-op if nothing's active) - starting
  or joining a video watch party always leaves the listen party, since
  every party-join call site already funnels through this one dispatcher.
- views/album/Album.ts: the last per-track "start a party" UI now that
  the music player's own inline browse panel is gone (browsing just
  means navigating there normally). Each track's button starts a new
  party or adds to whichever one is already active, decided by
  getActiveMusicPartyId() at CLICK time (not render time) so the action
  taken is always correct even if the label is momentarily stale; every
  button is relabeled in place after a successful click. Starting a
  party from here no longer navigates away at all.
- views/musicPlayer/ deleted entirely (MusicPlayer.ts/.html/.css) -
  superseded by musicBar/.
- Comment updates in global.d.ts/presence.css/trackList.css/party.ts/
  types.ts that named the old module by path.

Verified both fixes by rebuilding and driving the real compiled bundle
through a local static server, with fetch/window.io/window.Hls mocked:
starting a party from an album track leaves the sidebar/page in place and
relabels the other tracks; adding a track posts to the already-active
party's id; navigating into a video party hides the bar, disconnects its
socket, and posts a real leave for the music party before the video
player renders; the settings gear opens/closes correctly for the host in
that same run.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
2026-09-14 10:43:12 +02:00
4a31ee741e Rewrite server + client in TypeScript, service-oriented server architecture
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Full rewrite, requested directly. Two independent decisions since
TypeScript can't compile itself away at runtime - "no build step" and
"TypeScript" are mutually exclusive, not a small addition to the existing
setup:
- Server: plain tsc (no bundling need - Node resolves its own requires).
  server/dist mirrors server/src 1:1.
- Client: esbuild (does need bundling) - picked over a heavier tool
  (Vite, webpack) since this app's whole client is a couple thousand
  lines; its built-in CSS-from-JS bundling and a `text` loader for
  importing an HTML template as a string cover everything needed via a
  ~30-line hand-written build script (client/build.mjs), not a config
  file for something built for much bigger apps.
Both projects compile independently (no shared-types package - considered
and rejected as more structural commitment than this app's size
justifies; server/src/types.ts and client/src/types.ts have their own
overlapping DTO copies instead). server/'s `npm run dev` uses tsx for a
compile-free dev loop; `npm run build` (tsc) is what server/Dockerfile's
build stage actually runs. client/'s `npm run watch` is esbuild's own
watch mode.

Server: one singleton service class per feature, generalizing the
PartyManager/MusicQueueService pattern that already existed, rather than
route handlers with logic inline:
- AuthService (from embyAuth.js), CatalogService (NEW - previously ~15
  route handlers' worth of Emby queries/DTO shaping inlined directly in
  index.js), PartyService (renamed from PartyManager), MusicQueueService
  (ported as-is, already service-shaped), SocketGateway (from
  socketHandler.js), EmbyClient (from embyProxy.js - low-level plumbing,
  not called a "service" since it has no state/feature of its own).
- index.ts is now thin wiring only: every route reads the session, calls
  one service method, returns the result.
- Real error-handling pass, not just a port: Express 4 doesn't catch a
  rejected Promise from an async handler on its own - a new asyncRoute()
  wrapper + a single error-handling middleware replace what used to be
  zero handling for a request that outright throws. CatalogService
  methods throw a CatalogFetchError (own HTTP status - getRawItem now
  preserves Emby's real 404 instead of a blanket 502) rather than
  touching res directly.

Client: one folder per view (src/views/<name>/<Name>.ts + .html + .css)
instead of one .js file with the markup inline as a template literal. A
view's static shell moved to its .html (esbuild's text loader); per-item
dynamic content (tile grids, episode/track lists) stays as template
-literal-returning functions in the .ts, same as before. Genuinely shared
CSS (tiles, the presence avatar, the series/album detail-header pattern,
track-list rows) lives under src/styles/, imported by whichever views
need it; src/styles/base.css holds the global primitives, imported once
by app.ts. Deliberately not pushed to zero duplication/renaming shared
classes across views for tidiness alone - not worth the risk in a change
already this large. Player.ts keeps its pre-existing internal shape (the
/party/:id dispatcher + the video renderer in one file, importing
renderMusicPlayer from the sibling folder) - that pattern predates this
rewrite and only needed types, not restructuring.

Two real things the port itself caught, not just carried over:
- A type bug: porting SocketGateway's "members" broadcast, reusing
  PartyService's PublicMember interface would have type-checked fine but
  was the wrong (larger) shape - the socket broadcast never included
  isPaused/positionTicks, only the REST response did. Caught by
  comparing against the original JS line by line, fixed with a dedicated
  SocketMemberDto type.
- A real Express+TypeScript friction point: noUncheckedIndexedAccess
  (enabled in both tsconfigs - genuinely useful elsewhere, e.g.
  PartyService.advanceQueue's array indexing) makes every req.params.xxx
  read a type error, since Express's index-signature typing doesn't know
  a matched route's required :name segment is always present. Resolved
  once with a param(req, name) helper rather than 15 routes' worth of
  scattered assertions.

Verified: both projects type-check cleanly in strict mode (tsc --noEmit -
not just "esbuild didn't complain", which it wouldn't even with type
errors present, since it transpiles without checking). Server: every
unit/integration test from the JS version (party lifecycle logging, the
music queue's timer/vote/pause behavior incl. real setTimeout
auto-advance, the socket integration through SocketGateway+PartyService+
MusicQueueService together, the library-type filter, the playback
-override forcing) re-run against the compiled server/dist output -
identical results; the compiled server was actually started and confirmed
listening cleanly. Client: since esbuild bundles everything into one
app.js (no more individually-importable view modules), testing moved to
driving the real compiled bundle through its actual boot -> login ->
router -> view chain (mocked fetch/Socket.IO/hls.js, real clicks/hash
navigation) - arguably more realistic than the old per-module approach.
Confirmed this way: login, the sidebar, home's carousels, a video party
(presence, host controls, leave), the full music hierarchy, a music party
(presence, vote-skip, pause toggle, the inline browse-and-add panel), and
the series page - all through client/dist's actual output, no thrown
errors anywhere.

Not verified: an actual `docker build` of the new multi-stage Dockerfile -
this dev environment has no Docker at all. The build stage runs the exact
npm run build commands already confirmed working locally, just inside
node:20-alpine - the main remaining risk is something environment
-specific, not the build commands themselves, but a real build is still
the first thing to try after this lands.

docs/architecture.md has the full writeup (new "TypeScript and a
service-oriented architecture" section, plus a corrected top-level
"Components" overview that had gone stale even before this change).

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
2026-09-14 09:38:14 +02:00